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2675980 = 225671997
BaseRepresentation
bin1010001101010100001100
312000221202101
422031110030
51141112410
6133204444
731513456
oct12152414
95027671
102675980
11156855a
12a90724
13729028
144d92d6
1537cd3a
hex28d50c

2675980 has 24 divisors (see below), whose sum is σ = 5706288. Its totient is φ = 1053888.

The previous prime is 2675957. The next prime is 2675983. The reversal of 2675980 is 895762.

It is not an unprimeable number, because it can be changed into a prime (2675983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (237762).

22675980 is an apocalyptic number.

2675980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2675980 is an abundant number, since it is smaller than the sum of its proper divisors (3030308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2675980 is a wasteful number, since it uses less digits than its factorization.

2675980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2675980 is about 1635.8422906870. The cubic root of 2675980 is about 138.8335049104.

It can be divided in two parts, 2675 and 980, that added together give a triangular number (3655 = T85).

The spelling of 2675980 in words is "two million, six hundred seventy-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 1997 3994 7988 9985 19970 39940 133799 267598 535196 668995 1337990 2675980